Self-heating in coal has been extensively studied. The tendency to self-heat decreases with increasing rank of the coal. Lignite coals are more active than bituminous coals, which are more active than anthracite coals.
Cilantro, also known as Chinese parsley, is the leaf of the coriander plant. The spice coriander is the seed. The names cilantro and coriander are sometimes interchanged. In England, for example, only the word coriander is used and they are differentiated by referring to the coriander seed or coriander leaf.ilantro, also known as Chinese parsley, is the leaf of the coriander plant. The spice coriander is the seed. The names cilantro and coriander are sometimes interchanged. In England, for example, only the word coriander is used and they are differentiated by referring to the coriander seed or coriander leaf.
The derivation of culantro and recao, by which the plant is commonly known in Central America, is unknown but many of its names outside its natural habitat compare it to the common coriander or cilantro, e.g. Hindi bhandhanya, broad dhanya, or coriander, and Thai pak chi farang foreign coriander..